* [PATCH v2] iommu: arm-smmu-qcom: Add sdm630/msm8998 compatibles for qcom quirks
@ 2021-01-09 16:56 Konrad Dybcio
2021-01-12 19:03 ` Will Deacon
0 siblings, 1 reply; 2+ messages in thread
From: Konrad Dybcio @ 2021-01-09 16:56 UTC (permalink / raw)
To: phone-devel
Cc: ~postmarketos/upstreaming, martin.botka,
angelogioacchino.delregno, marijn.suijten, Konrad Dybcio,
Will Deacon, Robin Murphy, Joerg Roedel, Bjorn Andersson,
Jordan Crouse, Sai Prakash Ranjan, John Stultz, linux-arm-kernel,
iommu, linux-kernel
SDM630 and MSM8998 are among the SoCs that use Qualcomm's implementation
of SMMUv2 which has already proven to be problematic over the years. Add
their compatibles to the lookup list to prevent the platforms from being
shut down by the hypervisor at MMU probe.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
---
Changes since v1:
- Sort the compatibles alphabetically
drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
index 5dff7ffbef11..a833db93e7ff 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
@@ -323,7 +323,9 @@ static struct arm_smmu_device *qcom_smmu_create(struct arm_smmu_device *smmu,
}
static const struct of_device_id __maybe_unused qcom_smmu_impl_of_match[] = {
+ { .compatible = "qcom,msm8998-smmu-v2" },
{ .compatible = "qcom,sc7180-smmu-500" },
+ { .compatible = "qcom,sdm630-smmu-v2" },
{ .compatible = "qcom,sdm845-smmu-500" },
{ .compatible = "qcom,sm8150-smmu-500" },
{ .compatible = "qcom,sm8250-smmu-500" },
--
2.29.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2] iommu: arm-smmu-qcom: Add sdm630/msm8998 compatibles for qcom quirks
2021-01-09 16:56 [PATCH v2] iommu: arm-smmu-qcom: Add sdm630/msm8998 compatibles for qcom quirks Konrad Dybcio
@ 2021-01-12 19:03 ` Will Deacon
0 siblings, 0 replies; 2+ messages in thread
From: Will Deacon @ 2021-01-12 19:03 UTC (permalink / raw)
To: Konrad Dybcio, phone-devel
Cc: catalin.marinas, kernel-team, Will Deacon, martin.botka,
angelogioacchino.delregno, Robin Murphy, linux-kernel,
marijn.suijten, John Stultz, linux-arm-kernel, Jordan Crouse,
Bjorn Andersson, ~postmarketos/upstreaming, iommu, Joerg Roedel,
Sai Prakash Ranjan
On Sat, 9 Jan 2021 17:56:21 +0100, Konrad Dybcio wrote:
> SDM630 and MSM8998 are among the SoCs that use Qualcomm's implementation
> of SMMUv2 which has already proven to be problematic over the years. Add
> their compatibles to the lookup list to prevent the platforms from being
> shut down by the hypervisor at MMU probe.
Applied to arm64 (for-next/iommu/fixes), thanks!
[1/1] iommu: arm-smmu-qcom: Add sdm630/msm8998 compatibles for qcom quirks
https://git.kernel.org/arm64/c/b812834b5329
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
^ permalink raw reply [flat|nested] 2+ messages in thread
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